Associations between the depressive symptoms, subjective cognitive function, and presenteeism of Japanese adult workers: a cross-sectional survey study

Table 2 Spearman rank correlation coefficients among COBRA, PHQ-9, and WLQ-8 scores (N = 476)

	COBRA	PHQ-9
PHQ-9	.407**	–
WLQ-8 Time management	.399**	.358**
WLQ-8 Physical activities	.222**	.174**
WLQ-8 Mental-interpersonal activities	.431**	.382**
WLQ-8 Output activities	.409**	.307**
WLQ-8 Index	.470**	.399**
WLQ-8 Productivity loss	.470**	.399**

COBRA Cognitive Complaints in Bipolar Disorder Rating Assessment; PHQ-9 Patient Health Questionnaire-9; WLQ-8 Work Limitations Questionnaire; **p < 0.01 (two-sided)

ISSN: 1751-0759